Telephone set base



FIG. 1 is a top perspective view of a telephone set base showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is an elevation as seen from the left of FIG. 1;

FIG. 4 is an elevation as seen from the right of FIG. 1;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a front elevation thereof; and

FIG. 7 is a rear elevation thereof. 

An ornamental design for a telephone set base, substantially as shown and described. 